Sharma died a few hours before he was to be airlifted to Chennai for advanced treatment. Sharma had said if he spoke the truth (about the scam), his life would be in danger.
The Central Bureau of Investigation (CBI) on Sunday arrested Indore's Arun Arora in connection with the Vyapam scam.
The Congress today alleged that the CBI was acting as a "puppet" in the hands of the Centre in the Vyapam scam and was "helping" Madhya Pradesh Chief Minister Shivraj Singh Chouhan.
CBI on Thursday filed a charge sheet against 592 accused, including the chairmen of four private medical colleges, in the MP Pre Medical Test 2012 examination scam case
Vyapam scam whistle-blower Dr Anand Rai questioned the clean chit given to the chief minister Shivraj Singh Chouhan.
The CBI filed a charge sheet against 490 persons in the multi-crore Vyapam examination scam that broke out in Madhya Pradesh.
The scam involves massive irregularities and corruption in the examinations conducted by the Madhya Pradesh Professional Examination Board.
More than 40 people associated with the scam have died since the story broke in 2013.
Ashish Chaturvedi, one of the whistleblowers of the multi-crore Vyapam scam in Madhya Pradesh (MP) has alleged invasion of his privacy by security personnel.